:root{--red:#D91C1C;--redd:#A81414;--sb:#0f172a;--sw:260px;--th:62px;--bg:#f1f5f9;--bd:#e2e8f0;--tx:#1e293b;--mu:#64748b}
*,*::before,*::after{box-sizing:border-box}
body{font-family:'Barlow','Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--tx);margin:0}
#nh-sidebar{width:var(--sw);min-height:100vh;background:var(--sb);position:fixed;top:0;left:0;z-index:1050;overflow-y:auto;display:flex;flex-direction:column;transition:transform .25s}
.nh-brand{height:var(--th);display:flex;align-items:center;padding:0 1.4rem;border-bottom:1px solid rgba(255,255,255,.07);flex-shrink:0}
.nh-brand-icon{width:36px;height:36px;background:var(--red);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem;color:#fff;font-weight:900;font-family:'Barlow Condensed',sans-serif;margin-right:.7rem;flex-shrink:0}
.nh-brand-text{color:#fff;font-weight:700;font-size:1rem;line-height:1.2}
.nh-brand-sub{color:rgba(255,255,255,.3);font-size:.65rem;letter-spacing:.06em;text-transform:uppercase}
.nav-section-label{padding:.6rem 1.2rem .2rem;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.28)}
.nh-nav-link{display:flex;align-items:center;gap:.65rem;padding:.55rem 1.2rem;margin:2px .6rem;border-radius:7px;color:rgba(255,255,255,.6);text-decoration:none;font-size:.875rem;font-weight:500;transition:background .15s,color .15s}
.nh-nav-link i{font-size:1rem;width:18px;text-align:center;flex-shrink:0}
.nh-nav-link:hover,.nh-nav-link.active{background:var(--red);color:#fff}
.nh-sidebar-footer{margin-top:auto;padding:1rem 1.2rem;border-top:1px solid rgba(255,255,255,.07)}
.nh-user-chip{display:flex;align-items:center;gap:.6rem;color:rgba(255,255,255,.7);font-size:.8rem}
.nh-user-avatar{width:32px;height:32px;background:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;flex-shrink:0}
#nh-main{margin-left:var(--sw);min-height:100vh;display:flex;flex-direction:column}
#nh-topbar{height:var(--th);background:#fff;border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:900;display:flex;align-items:center;padding:0 1.75rem;gap:1rem}
.topbar-title{font-weight:700;font-size:1.1rem;color:var(--tx)}
.nh-page{padding:1.75rem;flex:1}
.kpi-card{background:#fff;border-radius:14px;padding:1.3rem;box-shadow:0 1px 4px rgba(0,0,0,.06);border:1px solid var(--bd);display:flex;align-items:center;gap:1rem;transition:transform .15s}
.kpi-card:hover{transform:translateY(-2px)}
.kpi-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}
.kpi-num{font-size:1.7rem;font-weight:800;line-height:1;color:var(--tx)}
.kpi-label{font-size:.73rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--mu);margin-top:3px}
.kpi-red .kpi-icon{background:rgba(217,28,28,.1);color:var(--red)}
.kpi-grn .kpi-icon{background:rgba(16,185,129,.1);color:#10b981}
.kpi-amb .kpi-icon{background:rgba(245,158,11,.1);color:#f59e0b}
.kpi-blu .kpi-icon{background:rgba(59,130,246,.1);color:#3b82f6}
.nh-card{background:#fff;border-radius:12px;border:1px solid var(--bd);box-shadow:0 1px 4px rgba(0,0,0,.06);overflow:hidden}
.nh-card-header{padding:.85rem 1.4rem;border-bottom:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between;background:#fff}
.nh-card-title{font-weight:700;font-size:.93rem;display:flex;align-items:center;gap:.5rem}
.nh-card-title i{color:var(--red)}
.nh-card-body{padding:1.4rem}
.nh-table{font-size:.875rem;margin:0}
.nh-table thead th{background:#f8fafc;font-weight:700;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mu);border-bottom:2px solid var(--bd);padding:.7rem 1rem;white-space:nowrap}
.nh-table tbody td{padding:.65rem 1rem;vertical-align:middle;border-bottom:1px solid #f1f5f9;color:var(--tx)}
.nh-table tbody tr:hover td{background:#fafbfc}
.nh-table tbody tr:last-child td{border-bottom:none}
.nh-badge-ok{background:#dcfce7;color:#166534;padding:.28em .65em;border-radius:20px;font-weight:600;font-size:.7rem}
.nh-badge-low{background:#fef9c3;color:#854d0e;padding:.28em .65em;border-radius:20px;font-weight:600;font-size:.7rem}
.nh-badge-out{background:#fee2e2;color:#991b1b;padding:.28em .65em;border-radius:20px;font-weight:600;font-size:.7rem}
.nh-badge-job{background:rgba(217,28,28,.1);color:var(--red);border-radius:5px;font-family:monospace;font-weight:700;font-size:.75rem;padding:.3em .7em}
.btn-nh{background:var(--red);color:#fff;border:none;font-weight:600}
.btn-nh:hover{background:var(--redd);color:#fff}
.form-label{font-weight:600;font-size:.875rem;margin-bottom:.3rem}
.form-control:focus,.form-select:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(217,28,28,.12)}
.req{color:var(--red);margin-left:2px}
.nh-page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.4rem;flex-wrap:wrap;gap:.6rem}
.nh-page-title{font-size:1.4rem;font-weight:800;color:var(--tx)}
.nh-page-title span{color:var(--red)}
.chart-container{position:relative;height:250px}
tr.low-stock-row td{background:rgba(245,158,11,.05)!important}
/* Login */
.nh-login-bg{min-height:100vh;background:var(--sb);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.nh-login-bg::before{content:'NH';position:absolute;font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:50vw;color:rgba(255,255,255,.025);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}
.nh-login-card{background:#fff;border-radius:18px;padding:2.75rem;width:100%;max-width:420px;box-shadow:0 30px 80px rgba(0,0,0,.5);position:relative}
.nh-login-logo{width:60px;height:60px;background:var(--red);border-radius:14px;display:flex;align-items:center;justify-content:center;font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:1.6rem;color:#fff;margin:0 auto 1.5rem}
@media(max-width:991px){#nh-sidebar{transform:translateX(-100%)}#nh-sidebar.open{transform:none}#nh-main{margin-left:0}}